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aircrack-ng strange output

When I use airodump-ng and aircrack-ng I always get strange output when I'm asked to select an AP for cracking I end up with around 300+ different AP's (or more depending on how long i let it run) i have a 1000HE EEE PC I'm still searching for an answer please let me know if you already found a solution Thanks in advance

The chipset is an Atheros AR9280 and it use the ath9k and mac80211 drivers.

Filtering with --bssid help to see only the desired AP, but many non-existing clients appear to be connected to it. Many of the non-existing clients have a MAC address close the the real client. They differ by one or two digits in the MAC's NIC part. Some differ from the manufacturer part. The others have 3 or more digits changed. That's why we can "see" so many clients.

What i posted is the select option of Aircrack-NG and should not contain all of those AP's I'm sure some of them are clients and im also sure that most of these are none existent i don't understand why its giving me the 300+ options to choose from

I was just reminded of something I notice during very clear days - I get a lot of invalid mac's and AP's that I know don't exist in my area (after I war drove to ensure I wouldn't be impinging on any of them with my routers). Studying the signals and tracing them and so forth shows me a very large amount of signal bounce and corruptions from the local public transport on it's way past (probing for a specified network), as well as interference from other 2.4GHz based devices.

Do you have any wireless phone systems or anything like that which could be giving you a lot of interference?

Still not underestimating the power...

There is no such thing as bad information - There is truth in the data, so you sift it all, even the crap stuff.

But if I don't reboot and simply kill wicd, dhclient and wpa_supplicant and use the same commands, I see only one client connected to my AP.

The only thing left is airodump-ng sometime shows two lines with the sames MACs, as-if the client have gone and came back. But nothing appears in the .csv. It contains only one entry. So it must be a refresh problem: airodump-ng doesn't always clear the lastest used line.